Description: Features: A diameter of 34 mm / 1.34" Inch capacitors large diaphragm core, more delicate, more discrimination and clear sound collection makes the microphone sound heads, soft alto deep and rich bass vividly feedback. High Quality Diaphragm: The gold plated layer of this large diaphragm sound heads is coated with gold wire with high pure, achieve higher sensitivity making them able to reproduce subtle sounds, make the sound delicate and natural, and have a wide frequency response Professional Studio Microphone Capsule: This microphone capsule can be widely used in such professional situations as recordings,broadcastings,stage performances,post productions of film and TV programs,personal computer home recording and so on. Power Requirement: The real large diaphragm sound heads needs 48V power supply, and it needs to be MATCH with the circuit board! If the circuit board of your microphone is a small diaphragm or mid diaphragm on the market, this capsule is not supported Attention:1. Do not touch the gold plated film on the top and the back film with your hands.2. Do not turn any screws on it. 3. Do not blow airs or spray water into the sound heads.4. Pay attention to moisture, and wear windproof cotton or spray cover when using.5. Please be cautious when handling and disposing. Man made damage is at your own risk. Specification: Material: Brass Size Chart:  Model: Core sensitivity: -36dB ±2dB Amplitude error at both ends of the seismic film: < 2DB Size: 34mm x 12mm Diaphragm thickness: 6nm Polyester film Gold-plated frequency response: 20Hz ~ 20kHz Power supply voltage: 48V Operating temperature: 5 ~ 35 celsius Electricity capacity: 58 - 68pF Package Includes: 1 Piece Condenser Microphone Capsule